diff options
Diffstat (limited to 'xlators/nfs/lib/src/rpcsvc.c')
| -rw-r--r-- | xlators/nfs/lib/src/rpcsvc.c | 17 | 
1 files changed, 14 insertions, 3 deletions
diff --git a/xlators/nfs/lib/src/rpcsvc.c b/xlators/nfs/lib/src/rpcsvc.c index 363b94fbe13..3f6e3b9f0ea 100644 --- a/xlators/nfs/lib/src/rpcsvc.c +++ b/xlators/nfs/lib/src/rpcsvc.c @@ -2555,6 +2555,7 @@ __nfs_rpcsvc_conn_data_poll_out (rpcsvc_conn_t *conn)          ssize_t                 written = -1;          char                    *writeaddr = NULL;          size_t                  writesize = -1; +        int                     eagain = 0;          if (!conn)                  return -1; @@ -2562,6 +2563,7 @@ __nfs_rpcsvc_conn_data_poll_out (rpcsvc_conn_t *conn)          /* Attempt transmission of each of the pending buffers */          list_for_each_entry_safe (txbuf, tmp, &conn->txbufs, txlist) {  tx_remaining: +                eagain = 0;                  writeaddr = (char *)(txbuf->buf.iov_base + txbuf->offset);                  writesize = (txbuf->buf.iov_len - txbuf->offset); @@ -2571,7 +2573,7 @@ tx_remaining:                  }                  written = nfs_rpcsvc_socket_write (conn->sockfd, writeaddr, -                                                   writesize); +                                                   writesize, &eagain);                  if (txbuf->txbehave & RPCSVC_TXB_LAST) {                          gf_log (GF_RPCSVC, GF_LOG_TRACE, "Last Tx Buf");                          nfs_rpcsvc_socket_unblock_tx (conn->sockfd); @@ -2600,12 +2602,21 @@ tx_remaining:                          list_del (&txbuf->txlist);                          mem_put (conn->txpool, txbuf); -                } else +                } else {                          /* If the current buffer is incompletely tx'd, do not                           * go to the head of the loop, since that moves us to                           * the next buffer. +                         * +                         * BUT, if the current transmission exited due to EAGAIN +                         * we need to leave the buffers where they are and come +                         * back later for retransmission.                           */ -                        goto tx_remaining; +                        if (!eagain) +                                goto tx_remaining; +                        else +                                break; +                } +          }          /* If we've broken out of the loop above then we must unblock  | 
